756747664 has 10 divisors (see below), whose sum is σ = 1466198630. Its totient is φ = 378373824.

The previous prime is 756747631. The next prime is 756747703. The reversal of 756747664 is 466747657.

It can be written as a sum of positive squares in only one way, i.e., 756690064 + 57600 = 27508^2 + 240^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23648349 + ... + 23648380.

It is an arithmetic number, because the mean of its divisors is an integer number (146619863).

Almost surely, 2^756747664 is an apocalyptic number.

It is an amenable number.

756747664 is a deficient number, since it is larger than the sum of its proper divisors (709450966).

756747664 is a wasteful number, since it uses less digits than its factorization.

756747664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47296737 (or 47296731 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 52.

The square root of 756747664 is about 27509.0469482314. The cubic root of 756747664 is about 911.2769032333.

It can be divided in two parts, 75674 and 7664, that added together give a palindrome (83338).

The spelling of 756747664 in words is "seven hundred fifty-six million, seven hundred forty-seven thousand, six hundred sixty-four".